May 2017
Intermediate to advanced
416 pages
21h 33m
English
The following file modes are available:
|
r |
Read mode. |
|
w |
Write mode. |
|
a |
Append mode. |
|
r+ |
Update mode. This mode preserves the existing data. |
|
w+ |
Update mode. This mode deletes any existing data. |
|
a+ |
Append update mode. This mode preserves the existing data and only allows appending at the end of file. |
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